# F vs Opus

The clearest difference is iOS requirement: F at 12.4 against Opus's 14.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | F | Opus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 19 MB | 1.0 GB |
| Requires iOS | **12.4** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [James Pett](https://appshunter.io/developer/1721487905) | [this great adventure ltd](https://appshunter.io/developer/1650760845) |

## What reviewers say

### F

[App page](https://appshunter.io/ios/app/f-machine-connect/id6474446035)

**Features:** macOS Compatibility

**In-app purchases:** none


### Opus

[App page](https://appshunter.io/ios/app/opus-the-next-stage/id6483932555)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is F free?

F is free to download, with no in-app purchases.

### Is Opus free?

Opus is free to download, with no in-app purchases.

### Do F or Opus have ads?

Neither F nor Opus shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*